Subscriptions  Newsletter  Site Demo  Librarians  Help/FAQs  About  Contributors  Consulting Editors  Contact

  Log In
Advanced Search    About Search
 Study Center


Q & A


Answers from our experts to important scientific questions.

Submit a question Our editors will select questions from those submitted and post their answers here.

Display:


Agriculture, Forestry & Soils:
Field crops, grasses, plant fibers, spices, tree crops, herbs

- How was corn domesticated?

- What is the Green Revolution?

- What types of spectrometers are used specifically in drug testing?

Forestry

- How would you research the best way to design an environmentally friendly town center? I am a teacher planning a project for an environmental science class. The town center would include a movie theatre, stores, restaurants, a park and an art center.

- How do temperate rainforests differ from tropical rainforests?

General

- What is the Green Revolution?

- What is "precision agriculture"?

Plant breeding

- What is the Green Revolution?

Soil/crop practices

- What is the difference between weathering and erosion?

Soils

- Assuming that Fuel Cell automobiles are the most likely candidates to replace the internal combustion engine, can our forests reduce the CO and CO2 in our atmosphere, or is it too little - too late?


Sample questions from Q & A:

Plant Science
Q: Do certain plants thrive in both hot, drought conditions and rainy conditions? What particular adaptations allow them to live under these two extremes?

A: In general, no single species does well in all environments. However, some plant species do thrive in very different environments.

Read full answer

Physics
Q: What are gravity waves and what are they waves in?

A: In Einstein's theory of gravity, objects can radiate energy in the form of gravitational waves. These waves propagate through space at the speed of light as distortions of spacetime itself.

Read full answer

Civil Engineering & Architecture
Q: How would you research the best way to design an environmentally friendly town center? I am a teacher planning a project for an environmental science class. The town center would include a movie theatre, stores, restaurants, a park and an art center.

A: Designing an environmentally friendly town center is a rich and complex topic. From global environmental quality to biodiversity of local streams to individual health and fitness, urban design profoundly impacts many relationships between people and their environment.

Read full answer

Copyright © The McGraw-Hill Companies. All rights reserved.
Privacy Notice. Any use is subject to the Terms of Use. Additional credits and copyright information.